MP2918GF-Z

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The MP2918GF-Z is a low quiescent current, low noise DC-DC converter with a wide range of integrated output power switches and linear post-regulators. It is a type of voltage regulator, and more specifically a DC DC switching controller.

MP2918GF-Z devices integrate a controller and a field-effect transistor (FET) driver into a single chip, so they can reduce the size of the system control circuit and are suitable for load switching. They are designed for use in general on-board applications such as automotive auxiliary power systems, variable power supplies, and power-over-Ethernet (PoE) applications.

The MP2918GF-Z has an input voltage range of 4.5V to 14V and output voltage range of up to 42V. Its high switching frequency of up to 1MHz allows for faster response time, more efficient conversion, and smaller components. It features a low quiescent current of only 1.7uA, low operating current of 28uA, and a low shutdown current of 0.1uA. The unit offers noise suppression components such as a phase loss protection circuit, an over-current protection circuit, a soft start circuit, and an oscillation frequency compensation circuit.

The MP2918GF-Z also has several pre-claim functional modes. Its pulse-width modulation (PWM) mode allows users to control the output voltage with a hysteresis band accuracy of 0.8%. The forced PWM mode offers a constant frequency output voltage that can be adjusted by the PWM duty ratio. Its voltage mode allows users to control the output voltage with an accuracy of 0.2%. The current mode offers protection from overload and overheat. The burst mode is designed for low power consumption applications.

The MP2918GF-Z can be used in wide range of applications, such as automotive power supplies, telecom power supplies, laptop power supplies, and distributed power systems. Its low quiescent current and low noise make it suitable for audio and video equipment. It can also be used for LED lighting and dimming applications, battery charging, and power-over-Ethernet (PoE) applications.

In conclusion, MP2918GF-Z is a low quiescent current, low noise DC-DC converter with a wide range of integrated output power switches and linear post-regulators. It is a type of voltage regulator, and more specifically a DC DC switching controller, used in a wide range of applications. Its features, such as low quiescent current, low operating current, and low shutdown current, as well as its various functional modes, make it an ideal choice for a variety of DC-DC conversions.

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